CVE-2017-17818 — HIGH (7.5)

Vulnerability Description

In Netwide Assembler (NASM) 2.14rc0, there is a heap-based buffer over-read that will cause a remote denial of service attack, related to a while loop in paste_tokens in asm/preproc.c.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Nasm	Netwide Assembler	2.14
Canonical	Ubuntu Linux	14.04

Related Weaknesses (CWE)

CWE-125

References

https://bugzilla.nasm.us/show_bug.cgi?id=3392428ExploitIssue TrackingThird Party Advisory
https://usn.ubuntu.com/3694-1/Third Party Advisory
https://bugzilla.nasm.us/show_bug.cgi?id=3392428ExploitIssue TrackingThird Party Advisory
https://usn.ubuntu.com/3694-1/Third Party Advisory

FAQ

What is CVE-2017-17818?

CVE-2017-17818 is a vulnerability with a CVSS score of 7.5 (HIGH). In Netwide Assembler (NASM) 2.14rc0, there is a heap-based buffer over-read that will cause a remote denial of service attack, related to a while loop in paste_tokens in asm/preproc.c.

How severe is CVE-2017-17818?

CVE-2017-17818 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-17818?

Check the references section above for vendor advisories and patch information. Affected products include: Nasm Netwide Assembler, Canonical Ubuntu Linux.